Added the 2 missing modules

Added the 2 missing modules

Big sync with internal version

QGIS plugin: Fixing F-SAR import and improving setup.sh

Keep dtype in rebin operations

Fix for internal issue #65

Fix for internal issue #66

Syntax fix

Merge remote-tracking branch 'origin/master'

Fix for startup crash with newer PyQt versions

Adding qgis plugin PyRATBridge

Added 2 more missing files

Added missing Filter.py

Sync with internal development

Bugfix Beltrami in GUI mode